Error after installation bbpress

Someone can help me with this error? It appears immediately after installation! I dont understand what it means. I will appreciate if someone know this issue.

Warning: include(/web/htdocs/www.svilupposolidarieta.it/home/forum/bb-templates/kakumei/front-page.php) [function.include]: failed to open stream: No such file or directory in /web/htdocs/www.svilupposolidarieta.it/home/forum/bb-includes/template-functions.php on line 17